# -*- coding: utf-8 -*-

"""
 (c) 2014-2016 - Copyright Red Hat Inc

 Authors:
   Pierre-Yves Chibon <pingou@pingoured.fr>

"""

import os

import sqlalchemy as sa
import pygit2
import wtforms
try:
    from flask_wtf import FlaskForm
except:
    from flask_wtf import Form as FlaskForm
from sqlalchemy.orm import relation
from sqlalchemy.orm import backref

from pagure.hooks import BaseHook, RequiredIf
from pagure.lib.model import BASE, Project
from pagure import get_repo_path


class IrcTable(BASE):
    """ Stores information about the irc hook deployed on a project.

    Table -- hook_irc
    """

    __tablename__ = 'hook_irc'

    id = sa.Column(sa.Integer, primary_key=True)
    project_id = sa.Column(
        sa.Integer,
        sa.ForeignKey(
            'projects.id', onupdate='CASCADE', ondelete='CASCADE'),
        nullable=False,
        unique=True,
        index=True)

    server = sa.Column(sa.Text, nullable=False)
    port = sa.Column(sa.Text, nullable=False)
    room = sa.Column(sa.Text, nullable=False)
    nick = sa.Column(sa.Text, nullable=True, default=None)
    nick_pass = sa.Column(sa.Text, nullable=True, default=None)
    active = sa.Column(sa.Boolean, nullable=False, default=False)
    join = sa.Column(sa.Boolean, nullable=False, default=True)
    ssl = sa.Column(sa.Boolean, nullable=False, default=True)

    project = relation(
        'Project', remote_side=[Project.id],
        backref=backref(
            'irc_hook', cascade="delete, delete-orphan",
            single_parent=True, uselist=False)
    )


class IrcForm(FlaskForm):
    ''' Form to configure the irc hook. '''
    server = wtforms.TextField(
        'Server <span class="error">*</span>',
        [RequiredIf('active')]
    )
    port = wtforms.TextField(
        'Port <span class="error">*</span>',
        [RequiredIf('active')]
    )
    room = wtforms.TextField(
        'Room <span class="error">*</span>',
        [RequiredIf('active')]
    )
    nick = wtforms.TextField(
        'Nick',
        [wtforms.validators.Optional()]
    )
    nick_pass = wtforms.TextField(
        'Nickserv Password',
        [wtforms.validators.Optional()]
    )

    active = wtforms.BooleanField(
        'Active',
        [wtforms.validators.Optional()]
    )
    join = wtforms.BooleanField(
        'Message Without Join',
        [wtforms.validators.Optional()]
    )
    ssl = wtforms.BooleanField(
        'Use SSL',
        [wtforms.validators.Optional()]
    )


class Hook(BaseHook):
    ''' IRC hooks. '''

    name = 'IRC'
    description = 'This hook sends message to the mention channel regarding'\
        ' the changes made by the pushes to the git repository.'
    form = IrcForm
    db_object = IrcTable
    backref = 'irc_hook'
    form_fields = [
        'server', 'port', 'room', 'nick', 'nick_pass', 'active', 'join',
        'ssl'
    ]

    @classmethod
    def install(cls, project, dbobj):
        ''' Method called to install the hook for a project.

        :arg project: a ``pagure.model.Project`` object to which the hook
            should be installed

        '''
        repopaths = [get_repo_path(project)]

        repo_obj = pygit2.Repository(repopaths[0])

        # Configure the hook
        # repo_obj.config.set_multivar()

        # Install the hook itself
        # cls.base_install(repopaths, dbobj, 'irc', 'git_irc.py')

    @classmethod
    def remove(cls, project):
        ''' Method called to remove the hook of a project.

        :arg project: a ``pagure.model.Project`` object to which the hook
            should be installed

        '''
        repopaths = [get_repo_path(project)]

        # cls.base_remove(repopaths, 'irc')
